| Patents for C09K 8 - Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations (31,745) |
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| 05/25/2004 | CA2283559C Improved memory control system for microprocessor |
| 05/25/2004 | CA2223550C Process for moving heavy crude oils with water having a high content of salts |
| 05/25/2004 | CA2193038C A process for the controlled fixing of scale inhibitor in a subterranean formation |
| 05/21/2004 | WO2004042191A1 Hydraulic fracturing method |
| 05/21/2004 | WO2004042190A2 Vinyllactam copolymers used as gas hydrate inhibitors |
| 05/21/2004 | WO2004042187A1 Inhibiting breakthrough of driving fluid via a permeable geological layer into an oil production well |
| 05/21/2004 | WO2004041745A1 A concrete mixture for use in oil-and gas wells |
| 05/21/2004 | CA2504834A1 Vinyllactam copolymers used as gas hydrate inhibitors |
| 05/20/2004 | US20040097380 Rheology; flow control agents; controlling deposits of shale |
| 05/20/2004 | US20040094331 Method for drilling and completing boreholes with electro-rheological fluids |
| 05/20/2004 | US20040094301 Aqueous viscoelastic fluid |
| 05/20/2004 | US20040094300 Dissolving Filter Cake |
| 05/20/2004 | US20040094298 Method for enhancing the stability of a water sensitive, reactive subterranean formation |
| 05/20/2004 | US20040094070 Cementing compositions |
| 05/20/2004 | US20040094069 Fluid loss control and set retardation to the cement composition comprised of carboxymethylhydroxyethyl cellulose |
| 05/19/2004 | EP1419210A2 Alkali metal tungstate compositions and uses thereof |
| 05/19/2004 | CN1150294C Non-toxic inexpensive synthetic drilling fluid |
| 05/18/2004 | US6737386 Aqueous based zirconium (IV) crosslinked guar fracturing fluid and a method of making and use therefor |
| 05/18/2004 | US6737385 Well drilling and servicing fluids and methods of removing filter cake deposited thereby |
| 05/18/2004 | US6737384 Controlling filter cakes; friction resistance |
| 05/18/2004 | US6736215 In situ thermal processing of a hydrocarbon containing formation, in situ production of synthesis gas, and carbon dioxide sequestration |
| 05/18/2004 | US6736211 Method of using alkylsulfonated phenol/aldehyde resins as adsorption reducing agents for chemical flooding |
| 05/13/2004 | WO2004040333A2 Ester-containing downhole drilling lubricating composition and processes therefor and therewith |
| 05/13/2004 | WO2004020783A8 Delayed-gelation solution |
| 05/13/2004 | WO2004007894A3 Apparatus and method for accelerating hydration of particulate polymer |
| 05/13/2004 | US20040092656 Multi-component kits and combinations, use thereof and plastic cements obtained therefrom |
| 05/13/2004 | US20040089452 Method and apparatus for acidizing a subterranean well formation for improving hydrocarbon production |
| 05/13/2004 | US20040089205 Cement comprising anisotropic polymer particles, cement paste, consolidated material, preparation and uses |
| 05/12/2004 | EP1418189A2 The use of lignin graft polymers with improved biodegradeability |
| 05/12/2004 | EP1417278A1 Blends of esters with isomerized olefins and other hydrocarbons as base oils for invert emulsion oil muds |
| 05/12/2004 | EP1417277A1 High density thermally stable well fluids |
| 05/12/2004 | EP0828778B1 Clathrate hydrate inhibitor and method of inhibiting the formation of clathrate hydrates using it |
| 05/12/2004 | CN1495146A Universal oil well cement additive and method |
| 05/11/2004 | US6734146 Comprised of water, a gelling agent, sufficient gas to form a foam, and an effective amount of an additive for foaming and stabilizing the gelled water comprised of hydrolyzed keratin |
| 05/11/2004 | US6734145 Controlling filter cakes; friction resistance |
| 05/11/2004 | US6734144 Solids-stabilized water-in-oil emulsion and method for using same |
| 05/11/2004 | US6732800 Perforating portion of interval length, performing consolidation treatment to zone of formation around perforations, pumping viscous fracturing fluid into formation through perforations to hydraulically fracture it |
| 05/11/2004 | US6732796 Heating section of formation with heat sources to temperature allowing generation of synthesis gas, providing synthesis gas generating fluid to section, removing synthesis gas generated, repeating for second section, blending for desired ratio |
| 05/11/2004 | US6732795 Providing heat from one or more heat sources to at least one portion of formation; allowing heat to transfer from the one or more heat sources to a selected section of the formation; controlling the heat; producing a mixture from the formation |
| 05/11/2004 | US6732794 In situ thermal processing of a hydrocarbon containing formation to produce a mixture with a selected hydrogen content |
| 05/11/2004 | CA2359846C Aphron-containing oil base fluids and method of drilling a well therewith |
| 05/06/2004 | WO2004038176A1 Generating acid downhole in acid fracturing |
| 05/06/2004 | WO2004038164A2 Remediation treatment of sustained casing pressures (scp) in wells with top down surface injection of fluids and additives |
| 05/06/2004 | WO2004037947A1 Additive for increasing the density of a fluid for casing annulus pressure control |
| 05/06/2004 | WO2004037946A1 Self-destructing filter cake |
| 05/06/2004 | WO2004009954A9 Method for completing injection wells |
| 05/06/2004 | US20040087449 Cleaning compositions for oil and gas wells, lines, casings, formations and equipment and methods of use |
| 05/06/2004 | EP1414926A1 Process fluid |
| 05/06/2004 | EP1414742A1 Method for decomposing hydrogen peroxide under pressure and device for heating an equipment |
| 05/06/2004 | EP1157050B1 Zwitterion derivatives and application to aqueous suspension properties |
| 05/04/2004 | US6730637 Reducing fluid loss in a drilling fluid |
| 05/04/2004 | US6730636 Environmentally acceptable well cement fluid loss control additives, compositions and methods |
| 05/04/2004 | US6729409 Foamed nitrogen in liquid CO2 for fracturing |
| 05/04/2004 | US6729408 Fracturing fluid and method of use |
| 05/04/2004 | US6729405 Introducing a cement slurry of a hydraulic cement base and a natural mineral fiber into wellbore; allowing the slurry to cure within the wellbore to form a hardened cement |
| 05/04/2004 | US6729404 Methods and compositions for consolidating proppant in subterranean fractures |
| 05/04/2004 | US6729402 Using crosslinked polymer; adjust permeability of subterranean formation |
| 05/04/2004 | US6729401 Synthesis gas may be produced from the formation. synthesis gas may be used as a feed stream in an ammonia synthesis process. ammonia may be used as a feed stream in a urea synthesis process. |
| 05/04/2004 | US6729397 In situ thermal processing of a hydrocarbon containing formation with a selected vitrinite reflectance |
| 05/04/2004 | US6729396 In situ thermal processing of a coal formation to produce hydrocarbons having a selected carbon number range |
| 05/04/2004 | US6729395 In situ thermal processing of a hydrocarbon containing formation with a selected ratio of heat sources to production wells |
| 05/04/2004 | CA2299104C Improved recovery and transportation of heavy crude oils |
| 04/29/2004 | WO2004035988A1 Fracture stimulation process for carbonate reservoirs |
| 04/29/2004 | WO2004035987A1 Methods of completing wells in unconsolidated formations |
| 04/29/2004 | WO2003006135A9 Suspensions of particles in non-aqueous solvents |
| 04/29/2004 | US20040082487 Ester-containing downhole drilling lubricating composition and processes therefor and therewith |
| 04/29/2004 | US20040082485 Method of increasing pH of high-density brines |
| 04/29/2004 | US20040082484 Aqueous thickener containing amphoteric surfactants and/or zwitterionic surfactants and organic acids or salts and/or inorganic salts |
| 04/29/2004 | US20040082483 Thinners for invert emulsions |
| 04/29/2004 | US20040081578 Biocide impregnation of coatings for ESP components |
| 04/28/2004 | EP1413710A1 Introducing treating fluids into subterranean producing zones |
| 04/28/2004 | EP1412614A1 Shear-sensitive plugging fluid for plugging and a method for plugging a subterranean formation zone |
| 04/28/2004 | EP1412613A1 Additives for inhibiting the formation of gas hydrates |
| 04/28/2004 | EP1412555A1 Corrosion inhibitors with improved water solubility and improved film persistence |
| 04/28/2004 | EP1412449A1 Hydrophobe associative polymers and compositions and methods employing them |
| 04/28/2004 | EP1412448A1 Method and fluid for controlling saturation of a formation around a well |
| 04/28/2004 | EP1397577A4 Low density well cement compositions |
| 04/28/2004 | CN1492803A Composite proppant, filtration medium, gravel packing media, and sports field media, and methods for making and using same |
| 04/27/2004 | US6725933 Method and apparatus for acidizing a subterranean well formation for improving hydrocarbon production |
| 04/27/2004 | US6725931 Methods of consolidating proppant and controlling fines in wells |
| 04/27/2004 | US6725930 Conductive proppant and method of hydraulic fracturing using the same |
| 04/27/2004 | US6725929 Circulation tool for use in gravel packing of wellbores |
| 04/27/2004 | US6725928 In situ thermal processing of a coal formation using a distributed combustor |
| 04/27/2004 | US6725926 Nonradioactive; proppants |
| 04/27/2004 | US6725921 In situ thermal processing of a coal formation by controlling a pressure of the formation |
| 04/27/2004 | US6725920 In situ thermal processing of a hydrocarbon containing formation to convert a selected amount of total organic carbon into hydrocarbon products |
| 04/27/2004 | CA2126301C Low toxicity terpene drilling fluid and drilling fluid additive |
| 04/22/2004 | WO2004033536A1 Starch graft copolymers and methods of making and using starch graft copolymers for agriculture |
| 04/22/2004 | US20040074673 Apparatus for providing a stream of pressurized substantially inert gas |
| 04/22/2004 | US20040074646 Gelatin capsules containing oil field chemicals, preferably weighted with a heavy metal compound, are made more stable under certain conditions by the incorporation of a strong chelating agent. The microcapsules can provide an extended |
| 04/22/2004 | US20040074644 Well treatment process |
| 04/22/2004 | US20040074643 Methods of introducing treating fluids into subterranean producing zones |
| 04/22/2004 | US20040074637 Producing a pressurized stream of substantially inert gas. The method comprises collecting at least a portion of the exhaust gases from an internal combustion engine. The collected exhaust gases are directed into the intake of a compressor |
| 04/21/2004 | EP1092003B1 Borehole fluid containing a lubricating composition - method for verifying the lubrification of a borehole fluid - application with respect to fluids with a high ph |
| 04/21/2004 | CN1146627C Organosilicon composition |
| 04/20/2004 | US6723683 Compositions for controlled release |
| 04/20/2004 | US6722434 Methods of generating gas in well treating fluids |
| 04/20/2004 | US6722433 Methods of sealing expandable pipe in well bores and sealing compositions |
| 04/20/2004 | US6722431 In situ thermal processing of hydrocarbons within a relatively permeable formation |
| 04/20/2004 | US6722430 In situ thermal processing of a coal formation with a selected oxygen content and/or selected O/C ratio |